DE3464480D1 - A process for preparing liquid- or shock-absorbing material starting from waste sludge from the paper or board industry - Google Patents

A process for preparing liquid- or shock-absorbing material starting from waste sludge from the paper or board industry

Info

Publication number
DE3464480D1
DE3464480D1 DE8484200155T DE3464480T DE3464480D1 DE 3464480 D1 DE3464480 D1 DE 3464480D1 DE 8484200155 T DE8484200155 T DE 8484200155T DE 3464480 T DE3464480 T DE 3464480T DE 3464480 D1 DE3464480 D1 DE 3464480D1
Authority
DE
Germany
Prior art keywords
shock
paper
absorbing material
waste sludge
preparing liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484200155T
Other languages
German (de)
Inventor
Hubertus W Broens
Wilde Etienne F De
De La Porte Wicher Andre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KNP LEYKAM SERVICES B.V., MAASTRICHT, NL
Original Assignee
Knp Papier BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knp Papier BV filed Critical Knp Papier BV
Application granted granted Critical
Publication of DE3464480D1 publication Critical patent/DE3464480D1/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
    • A01K1/0152—Litter
    • A01K1/0155—Litter comprising organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/32—Materials not provided for elsewhere for absorbing liquids to remove pollution, e.g. oil, gasoline, fat
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Animal Husbandry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Processing Of Solid Wastes (AREA)
DE8484200155T 1983-02-04 1984-02-03 A process for preparing liquid- or shock-absorbing material starting from waste sludge from the paper or board industry Expired DE3464480D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8300430A NL8300430A (en) 1983-02-04 1983-02-04 Liq. and shock absorbing material from waste sludge - contg. cellulose fibre and pigment, by dewatering and granulating in screw conveyor

Publications (1)

Publication Number Publication Date
DE3464480D1 true DE3464480D1 (en) 1987-08-06

Family

ID=19841354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484200155T Expired DE3464480D1 (en) 1983-02-04 1984-02-03 A process for preparing liquid- or shock-absorbing material starting from waste sludge from the paper or board industry

Country Status (2)

Country Link
DE (1) DE3464480D1 (en)
NL (1) NL8300430A (en)

Also Published As

Publication number Publication date
NL8300430A (en) 1984-09-03

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: KNP LEYKAM SERVICES B.V., MAASTRICHT, NL

8339 Ceased/non-payment of the annual fee